JNTU
JNTU B.Tech III MINERAL EXPLORATION Previous Question Paper (May - 2019 - R16)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks.
Part A
Define the term “Prospecting”.
Answer
Prospecting is the systematic process of searching for mineral deposits in a specific area by examining geological features, outcrops, and surface indications to identify potential targets for further exploration.
List the choice of “Exploration Methods”.
Answer
- Geological mapping and surface sampling
- Geophysical surveys (Magnetic, Gravity, Electrical, Seismic)
- Geochemical prospecting
- Remote sensing and aerial surveys
- Exploratory drilling and trenching
Define the term “Cut-off –grade.
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List the factors for reserves estimation.
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List the Principle of Geo-physical exploration methods.
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Define the term “Pathfinder” for Geo-chemical prospecting.
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Define the term “Secondary dispersion” of Geo-Chemical.
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Define the term “Geo-chemical sampling”.
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List the stages of Explorations.
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List the collection procedures from Exploration.
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Part B
List the General guidelines for Exploration work.
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What are the various advantages of using remote sensing in mineral exploration?
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Explain the Direct use of Aerial photography in mineral exploration.
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Give an overview of the applicability of geo-physical methods in mineral exploration.
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Explain the Geological section or cross-section method for Ore reserve estimation.
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Calculate the average grade from sampling in drive, raise, winze and stope.
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Describe the principal methods for Reserve computation methods.
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Calculate the average grade of copper in the Quartz vein given the trench width and assay values.
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List the Primary targets for Geo-chemical prospecting.
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Explain the Interpreting geochemical data.
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List the Secondary elements target for Geo-chemical prospecting.
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Describe geological assessment.
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State the Primary and secondary dispersions of elements.
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Explain the formation of geochemical anomalies.
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Explain the Geo-chemical methods of mineral exploration.
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Explain the stream sediment method of surveying.
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What is Geological axes?
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Explain the Collection of data along Geological axes during various stages of exploration.
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What is Feasibility axes?
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Explain the collection of data along feasibility axes various stages of exploration.
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